The ADM1073 is a full-feature, negative voltage, hot swap controller that allows boards to be safely inserted and removed from a live -48 V backplane. The part provides precise and robust current limiting, and protection against both transient and nontransient short circuits in overvoltage and undervoltage conditions. The ADM1073 can operate from a negative voltage of -18 V to -80 V and can tolerate transient voltages of up to -200 V.